Attachment for double-disk drills.



A. F. LIPPERT.

ATTACHMENT FOR DOUBLE DISK DRILLS.

APPLICATION FILED NOV. 3. 192 5.

Patented May 16, 1916.

UNITED STATES PATENT OFFICE.

AUGUST F. LIPPERT, 0F JAMESTOWN, NORTH DAKOTA.

ATTACHMENT FOR DOUBLE-DISK DRILLS.

Application filed November 3, 1915.

To all whom it may concern:

Be it known that I, AUGUST F. LIPPERT, a citizen of the United States,residing at Jamestown, in the county of Stutsman, State of North Dakota,have invented certain new and useful Improvements in Attachments forDouble-Disk Grain-Drills; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enableothers skilled in the art to which it appertains to make and use thesame.

The present invention is directed to improvements in attachments fordouble disk grain drills, and has for its object to provide anattachment of this nature which can be conveniently attached to thedrill frame and will act to hold the disks in proper convergingrelation.

A further object of the invention is to provide an attachment of thisnature which can be applied to any well known type of machine andprovided with adjustably mounted rollers, whereby the disks can beproperly adjusted so that their forward peripheries will be held in suchposition as to prevent the disks from leaving a ridge between them asthe drill is in operation.

IVith these and other objects in View, this invention resides in thenovel features of construction, formation, combination and arrangementof parts to be hereinafter more fully described, claimed and illustratedin the accompanying drawings, in which Figure 1 is a front elevation ofthe attachment showing the same in position on the beam of the drillframe. Fig. 2 is a side elevation of the same. Fig. 3 is a rear view ofthe attachment. Fig. 4: is a sectional view on line l4c of Fig. 3.

The attachment comprises a vertically arranged bar 1 which has alongitudial slot 2 formed in its upper portion, said slot being engagedby the clamping bolts 3, said bolts being also engaged in the verticalslot Specification of Letters Patent.

Patented May 16, 1916.

Serial No. 59,441.

4 formed in the clamping plate 5. Thus it will be seen that the beam 6of the drill can be clamped between the bar and plate 5. The lower endof the bar 1 is partially twisted, as at 7, and has its lower endprovided with a plate 8 which is arranged at right angles to the bar 1,said plate being provided with spaced longitudinal slots 9 and in whichare engaged bolts 10, said bolts being adapted to be moved toward oraway from each other and being capable of being held in their adjustedpositions by the clamping nuts 11 and 12, the latter nuts serving asjamb nuts.

Rotatably mounted on the bolts 10 are rollers 13 which are adapted toreceive the forward peripheries of the drill disks 14E therebetween.Thus it will be seen that the drills will be positively held inconverging relation.

WVhat is claimed is 1. In combination with a double disk drill, anattachment comprising a bar adjustably connected to the beam of thedrill frame, said bar having a plate carried by its lower end, boltsadjustably mounted on the plates, and rollers carried by the bolts forengaging the drill disks.

2. In combination with a double disk drill, an attachment comprising avertical bar adjustably connected to the beam of the drill frame, saidbar having its lower end terminating in a plate disposed at right anglesto the bar, said plate having slots formed therein, bolts adjustablymounted in the slots and having rollers carried thereby and engaging thedrill disks therebetween, as and for the purpose set forth.

In testimony whereof I affix my signature, in the presence of twowitnesses.

AUGUST F. LIPPERT.

Witnesses:

RUssELL D. CHASE, H. B. SPANTON.

Copies of this patent may be obtained for five cent: each, by addressingthe "Commissioner of Patents, Washington, D. G.

